... weight of single piece between 50kg and 5t 4,304 heavy-duty flange Packaging & Delivery Packaging Detail:wooden package Non ... workshop• Price• Country of Origin• Quality Approvals• Form E/F/A/B;CO;FTA,ETC • Country of Origin• Guarantee/ ... than 2 complaint cases . 2, material of steel type of 15#,20#,25#,30#.35#,40#,45#,46#,etc ... on giving materials. 5, excellent heat treatment. 304 heavy-duty flange